If the email already exists, the user is linked to the partner (EmployeeVerification) and returned. Otherwise a new user is created; optional bank fields apply only on create.
Bank (onboarding): exactly one of:
bank_account_number only; orbank_iban_number and bank_bic_number together.
Do not mix both styles in one request; the server validates this oneOf rule.Sanctum personal access token (access_tokens / partner API settings).
UUID API key stored for the partner user.
true, false